<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>登陆</title>

    <link rel="stylesheet" href="css/common.css">
    <link href="css/login.css" rel="stylesheet">
</head>
<body>
    <div class="nav">
        五子棋对战
    </div> 
    <div class="login-container">
        <!-- 登陆界面的对话框-->
        <div class="login-dialog">
            <h3>登陆</h3>
            <div class="row">
                <span>用户名</span>
                <input type="text" id="username">
            </div>
            <!-- 这是另一行-->
            <div class="row">
                <span>密码</span>
                <input type="password" id="password">
            </div>
            <!--提交按钮-->
            <div class="row">
            <button id="submit">提交</button>
            </div>
        </div>
    </div>

    <script src="./js/jquery.min.js"></script>
    <script>
        let usernameInput = document.querySelector('#username');
        let passwordInput = document.querySelector('#password');
        let submitButton = document.querySelector('#submit');
        submitButton.onclick = function(){
            $.ajax({
                type: 'post',
                url: '/login',
                data: {
                    username: usernameInput.value,
                    password: passwordInput.value,
                },
                success: function(body){
                    //请求执行成功之后的回调函数
                    //判定当前是否登录成功
                     if(body && body.userId > 0){
                        alert("登录成功！");
                        //重定向跳到游戏大厅界面
                        location.assign('/game_hall.html');
                     }else{
                        alert("登录失败");
                     }
                },
                error: function(){
                    //请求执行失败之后的回调函数
                    alert("登录失败");
                }
            });
        }
    </script>
</body>
</html>